Dr. Biji Bahuleyan
Senior Consultant — Neurosurgery, Caritas Neuro Sciences
Internationally Recognized Neurosurgeon in Kerala
Dr. Biji Bahuleyan is an internationally acclaimed neurosurgeon and pioneering figure in minimally invasive endoscopic epilepsy surgery. Currently serving as Senior Consultant — Neurosurgery at Caritas Neuro Sciences, Caritas Hospital, Kottayam, Kerala, he brings over 25 years of clinical and research experience.
During his fellowships in the United States, he developed four groundbreaking “first-in-literature” minimally invasive endoscopic techniques for treating medically intractable epilepsy — procedures adopted by epilepsy centres worldwide and codified in CNS evidence-based guidelines.
Prof. Michael Gaab, the pioneer of endoscopic neurosurgery, authored a three-page commentary in World Neurosurgery praising his innovations.
He has authored 40+ peer-reviewed publications in the Journal of Neurosurgery: Pediatrics, World Neurosurgery, Child’s Nervous System, and British Journal of Neurosurgery. 600+ citations, three Journal of Neurosurgery: Pediatrics cover illustrations. First author in Benzel’s Spine Surgery (4th Ed., Elsevier 2017).
Current Appointment
Senior Consultant — Neurosurgery
Caritas Neuro Sciences
Caritas Hospital, Kottayam, Kerala
Areas of Specialization
Comprehensive neurosurgical care with sub-specialty expertise across the full spectrum of brain and spine conditions.
Epilepsy Surgery
Pioneering minimally invasive endoscopic epilepsy techniques with four first-in-literature innovations. Treatment for medically intractable epilepsy including temporal lobectomy, selective amygdalohippocampectomy, and corpus callosotomy.
Brain Tumor Surgery
Advanced microsurgical and endoscopic removal of brain tumors including gliomas, meningiomas, acoustic neuromas, pituitary tumors, and metastatic lesions. Emphasis on maximal safe resection with neurological preservation.
Spine Surgery
Comprehensive spine care including disc herniation, spinal stenosis, spinal cord tumors, spondylolisthesis, and complex deformity correction. First author in Benzel’s Spine Surgery textbook (Elsevier).
Endoscopic Neurosurgery
Over 300 endoscopic neurosurgical procedures including endoscopic third ventriculostomy, endoscopic tumor removal, colloid cyst excision, and arachnoid cyst fenestration. Minimally invasive approach with faster recovery.
Skull Base & Vascular
Complex skull base tumor removal including anterior, middle, and posterior fossa approaches. Vascular neurosurgery for aneurysms, AVMs, and cavernomas using microsurgical clipping and resection techniques.
Functional Neurosurgery & Pain
Fellowship-trained at Cleveland Clinic in functional neurosurgery. Procedures for trigeminal neuralgia, movement disorders, hemifacial spasm, and chronic pain management through neuromodulation and ablative techniques.
First-in-Literature Innovations
Four groundbreaking minimally invasive endoscopic techniques developed during US fellowships — now adopted by epilepsy centres worldwide.
Endoscopic Transventricular Hemispherotomy
First-in-literature minimally invasive endoscopic approach for hemispherotomy in medically intractable epilepsy. Now adopted by epilepsy centres worldwide and referenced in multiple textbooks.
First-in-Literature · JNS Pediatrics Cover IllustrationEndoscope-Assisted Hippocampal Depth Electrode Placement
First endoscopic technique for placing depth electrodes in the hippocampus under direct vision, reducing risk of injury to vital structures. Benchmark for modern SEEG trajectories.
First-in-Literature · Best Paper Award CWRUEndoscopic Selective Amygdalohippocampectomy
First keyhole approach to the most common epilepsy surgery. Prof. Michael Gaab, pioneer of endoscopic neurosurgery, authored a three-page commentary praising this innovation.
First-in-Literature · Gaab Commentary in World NeurosurgeryEndoscopic Total Corpus Callosotomy
First endoscopic approach to corpus callosotomy for drop attacks. Cited as prototype in Springer's The Corpus Callosum (2023) and Advances & Technical Standards in Neurosurgery (2024).
First-in-Literature · Cited in Springer TextbooksPublications & Academic Contributions
Dr. Bahuleyan’s research has been published in the most prestigious neurosurgical journals including the Journal of Neurosurgery: Pediatrics, World Neurosurgery, Child’s Nervous System, and the British Journal of Neurosurgery. His work on endoscopic epilepsy surgery has earned three cover illustrations in the Journal of Neurosurgery: Pediatrics — a rare distinction that underscores the impact and originality of his research.
He contributed as first author to Benzel’s Spine Surgery: Techniques, Complication Avoidance, and Management (4th Edition, Elsevier, 2017), the definitive spine surgery reference text. His innovations have been codified in Congress of Neurological Surgeons (CNS) evidence-based guidelines for epilepsy surgery.
Dr. Bahuleyan serves as Associate Editor of Surgical Neurology International (SNI) and is a peer reviewer for multiple high-impact neurosurgical journals including World Neurosurgery, Journal of Neurosurgery, and Child’s Nervous System. His editorial role reflects his standing as an authority in minimally invasive and endoscopic neurosurgery.
Education & Fellowship Training
A distinguished academic journey spanning India’s premier medical institutions and the United States’ most renowned neurosurgical programs.
MCh Neurosurgery — Christian Medical College (CMC), Vellore
Completed neurosurgery residency at CMC Vellore, India’s top-ranked medical institution for neurosurgery training, building a strong foundation in microsurgical and general neurosurgical techniques.
Research Fellowship — Case Western Reserve University (CWRU)
Three-year research fellowship at Case Western Reserve University focused on developing minimally invasive endoscopic approaches for epilepsy surgery. Developed four first-in-literature endoscopic epilepsy techniques during this period.
Clinical Fellowship, Neuro-Oncology — Cleveland Clinic, Ohio
Advanced clinical training in neurosurgical oncology at the Cleveland Clinic, one of the world’s leading centres for brain tumor surgery. Gained expertise in complex cranial and skull base tumor removal.
Clinical Fellowship, Functional Neurosurgery — Cleveland Clinic, Ohio
Specialized fellowship in functional neurosurgery and pain management at the Cleveland Clinic. Training in deep brain stimulation, neuromodulation, and ablative procedures for movement disorders and chronic pain.
Fellowship — Harvard Medical School / Brigham and Women’s Hospital
Fellowship at Brigham and Women’s Hospital, Harvard Medical School, Boston. Advanced training at one of the most prestigious academic neurosurgical departments in the world.
Gamma Knife Radiosurgery Training
Specialized training in Gamma Knife stereotactic radiosurgery for brain tumors, AVMs, trigeminal neuralgia, and other conditions amenable to focused radiation treatment.
Awards & Honors
Three JNS Pediatrics Cover Illustrations
Three separate research publications selected as cover illustrations for the Journal of Neurosurgery: Pediatrics — a rare and prestigious distinction in academic neurosurgery.
Gaab Commentary in World Neurosurgery
Prof. Michael Gaab, the pioneer of endoscopic neurosurgery, authored a three-page invited commentary in World Neurosurgery recognizing and praising Dr. Bahuleyan’s endoscopic innovations.
USMLE Certification
Cleared all United States Medical Licensing Examination (USMLE) steps — affirming qualification to practice medicine in the United States.
Author, Benzel’s Spine Surgery (Elsevier)
First author of a chapter in Benzel’s Spine Surgery: Techniques, Complication Avoidance, and Management, 4th Edition (Elsevier, 2017) — the definitive reference in spine surgery.
Associate Editor, Surgical Neurology International
Serving as Associate Editor of Surgical Neurology International (SNI), contributing to the editorial oversight and peer review of neurosurgical research worldwide.
CNS Evidence-Based Guidelines
Endoscopic epilepsy techniques developed by Dr. Bahuleyan have been incorporated into the Congress of Neurological Surgeons (CNS) evidence-based guidelines for epilepsy surgery.
Frequently Asked Questions
What makes Dr. Biji Bahuleyan different from other neurosurgeons in Kerala?
Dr. Bahuleyan is the only neurosurgeon in Kerala with triple fellowship training from Harvard Medical School, Cleveland Clinic, and Case Western Reserve University. He developed four first-in-literature minimally invasive endoscopic epilepsy techniques that are now used by epilepsy centres worldwide and included in CNS evidence-based guidelines. With 40+ publications, 600+ citations, and three JNS Pediatrics cover illustrations, his academic credentials are unmatched in the region.
Where does Dr. Biji Bahuleyan practice?
Dr. Bahuleyan currently practices as Senior Consultant — Neurosurgery at Caritas Neuro Sciences, Caritas Hospital, Kottayam, Kerala. Caritas Hospital is a leading multi-specialty hospital in Central Kerala with state-of-the-art neurosurgical facilities, advanced imaging, and a dedicated neuro-ICU.
What conditions does Dr. Biji Bahuleyan treat?
Dr. Bahuleyan treats a comprehensive range of neurosurgical conditions including brain tumors, epilepsy, spinal disorders (disc herniation, stenosis, tumors), skull base tumors, hydrocephalus, trigeminal neuralgia, movement disorders, cerebrovascular conditions (aneurysms, AVMs), and pediatric neurosurgical conditions. He specializes in minimally invasive endoscopic approaches whenever possible.
How can I book an appointment with Dr. Biji Bahuleyan?
You can book a consultation with Dr. Bahuleyan through multiple channels: call the Caritas Hospital Neurosurgery department directly at +91 97456 12132, send a WhatsApp message for quick scheduling, or email at bijibahuleyan@gmail.com. For international patients, WhatsApp is the recommended channel for initial consultation inquiries.
Caritas Hospital, Kottayam
A Leading Multi-Specialty Hospital in Central Kerala
Caritas Hospital is one of Kerala’s premier healthcare institutions, renowned for its advanced medical infrastructure and patient-centered care. The Caritas Neuro Sciences department features state-of-the-art neurosurgical operating theatres equipped with high-definition surgical microscopes, neuro-navigation systems, intraoperative monitoring, and a dedicated neuro-intensive care unit.
Take the First Step Toward Expert Neurosurgical Care
Schedule a consultation with Dr. Biji Bahuleyan at Caritas Hospital, Kottayam. Available for in-person visits and initial WhatsApp consultations for patients across Kerala and internationally.